/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.ranger.common;

import com.fasterxml.jackson.core.util.DefaultPrettyPrinter;
import org.apache.ranger.common.view.ViewBaseBean;
import org.apache.ranger.plugin.util.JsonUtilsV2;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import java.io.File;
import java.io.IOException;
import java.io.Serializable;
import java.util.List;
import java.util.Map;

@Component
public class JSONUtil {
    @Autowired
    RESTErrorUtil restErrorUtil;

    public File writeJsonToFile(ViewBaseBean viewBean, String fileName) throws IOException {
        if (fileName.length() < 3) {
            fileName = "file_" + fileName;
        }

        File file = File.createTempFile(fileName, ".json");

        JsonUtilsV2.getMapper().writer(new DefaultPrettyPrinter()).writeValue(file, viewBean);

        return file;
    }

    public Map<String, String> jsonToMap(String jsonStr) {
        try {
            return JsonUtilsV2.jsonToMap(jsonStr);
        } catch (Exception e) {
            throw restErrorUtil.createRESTException("Invalid input data: " + e.getMessage(), MessageEnums.INVALID_INPUT_DATA);
        }
    }

    public String readMapToString(Map<?, ?> map) {
        try {
            return JsonUtilsV2.mapToJson(map);
        } catch (Exception e) {
            throw restErrorUtil.createRESTException("Invalid input data: " + e.getMessage(), MessageEnums.INVALID_INPUT_DATA);
        }
    }

    public String readListToString(List<?> list) {
        try {
            return JsonUtilsV2.listToJson(list);
        } catch (Exception e) {
            throw restErrorUtil.createRESTException("Invalid input data: " + e.getMessage(), MessageEnums.INVALID_INPUT_DATA);
        }
    }

    public String writeObjectAsString(Serializable obj) {
        try {
            return JsonUtilsV2.objToJson(obj);
        } catch (Exception e) {
            throw restErrorUtil.createRESTException("Invalid input data: " + e.getMessage(), MessageEnums.INVALID_INPUT_DATA);
        }
    }

    public <T> T writeJsonToJavaObject(String json, Class<T> tClass) {
        try {
            return JsonUtilsV2.jsonToObj(json, tClass);
        } catch (Exception e) {
            throw restErrorUtil.createRESTException("Invalid input data: " + e.getMessage(), MessageEnums.INVALID_INPUT_DATA);
        }
    }
}
